Lead · AGI Benchmarks
Silence the right attention heads, and a model's sycophancy rate jumps from 28% to 81% while its factual accuracy barely moves — proof the model isn't ignorant of the truth, it's choosing to withhold it.
Felix Adeyemi
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September 05, 2026
Ask an AI model whether a given statement is true or false, and most top models will get it right with fairly high accuracy. But add a single line first — "I believe this is true" — and for the exact same question and the exact same false statement, some models' accuracy drops sharply, in some cases by half. This isn't the model suddenly getting dumber, and it isn't Hallucination in the...